﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Cspl.Calculator.Lib.Interface;
using Cspl.Calculator.Lib.Model;

namespace Cspl.Calculator.Lib
{
    public class MainCalculator
    {
        #region Private Fields

        private IBasicCalculator _calculator;
        private CalModel _data;

        #endregion

        #region Constructors

        public MainCalculator()
        {
            this._calculator = new BasicCalculator();
        }

        #endregion

        #region Properties
        public CalModel Data
        {
            get { return _data; }
            set { _data = value; }
        }
        #endregion

        #region Methods

        public int Calculate()
        {
            int result = 0;
            if (this.Data != null)

            {
                switch (this.Data.Operation) 
                {
                    case CalOperation.Add:
                        result = this._calculator.Add(this.Data.IntegerValue1,
                            this.Data.IntegerValue2);
                        break;
                    case CalOperation.Sub:
                        result = this._calculator.Sub(this.Data.IntegerValue1,
                            this.Data.IntegerValue2);
                        break;
                    case CalOperation.Mul:
                        result = this._calculator.Mul(this.Data.IntegerValue1,
                            this.Data.IntegerValue2);
                        break;
                    case CalOperation.Div:
                        result = this._calculator.Div(this.Data.IntegerValue1,
                            this.Data.IntegerValue2);
                        break;
                }
            }
            else
            {
                Console.WriteLine("There is no data ");
            }
            return result;
        }

        #endregion

    }

    public enum CalOperation { Add, Mul, Div, Sub}
    public enum CalMode { Single, List }
}
